| Rancho Santa Margarita to Celbridge | 5,154.02 mi (8,294.60 km) |
| Rancho Santa Margarita to Clondalkin | 5,159.54 mi (8,303.47 km) |
| Rancho Santa Margarita to Clonmel | 5,154.39 mi (8,295.19 km) |
| Rancho Santa Margarita to Cobh | 5,154.39 mi (8,295.19 km) |
| Rancho Santa Margarita to Cork | 5,146.51 mi (8,282.51 km) |
| Rancho Santa Margarita to Donegal | 5,049.22 mi (8,125.93 km) |
| Rancho Santa Margarita to Douglas | 5,148.53 mi (8,285.76 km) |
| Rancho Santa Margarita to Drogheda | 5,144.76 mi (8,279.69 km) |
| Rancho Santa Margarita to Dublin | 5,162.78 mi (8,308.69 km) |
| Rancho Santa Margarita to Dun Dealgan | 5,131.02 mi (8,257.57 km) |
| Rancho Santa Margarita to Ennis | 5,091.26 mi (8,193.59 km) |
| Rancho Santa Margarita to Enniscorthy | 5,187.37 mi (8,348.27 km) |
| Rancho Santa Margarita to Finglas | 5,159.67 mi (8,303.69 km) |
| Rancho Santa Margarita to Galway | 5,072.22 mi (8,162.95 km) |
| Rancho Santa Margarita to Glanmire | 5,148.17 mi (8,285.18 km) |
